Câu hỏi: I don’t know what to do. It’s .............. problem.

A. quite difficult

B. a quite difficult

C. quite a difficult

D. the quite difficult

Câu 1: I was surprised at ... readiness with which she agreed to my suggestion.

A. a

B. an

C. the

D. x

Câu 2: I bought ......... umbrella to go out in the rain.

A. a

B. an

C. the

D. x

Câu 3: She always said that when she grew up she wanted to be ............ doctor.

A. a

B. an

C. the

D. x

Câu 4: Please meet me at the train station in .......... hour from now.

A. a

B. an

C. the

D. x

Câu 5: ....... ink in my pen is red.

A. a

B. an

C. the

D. x

Câu 6: I'll tell you all about it... tomorrow night.

A. a

B. an

C. the

D. x